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transboundary

American  
[tranz-baund-uh-ree, -baund-ree] / ˌtrænzˈbaʊnd ə ri, -ˈbaʊnd ri /

adjective

  1. crossing or extending across a boundary between countries or other jurisdictions; involving more than one country.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In January, authorities attributed elevated sulphur pollution levels in Gauteng to transboundary pollution from neighbouring Mpumalanga, South Africa's most polluted industrial zone.

From Barron's • Apr. 22, 2026

"Due to the unique mechanism of oasis formation, a river basin often nurtures multiple oases across several countries, making transboundary cooperation key to addressing water scarcity and promoting sustainable development," he said.

From Science Daily • Apr. 22, 2024

"Conservation of elephants requires a transboundary management approach to climate change mitigation, cooperation among conservation agencies, and effective partnerships with all relevant stakeholders for conservation," the authors conclude.

From Salon • Feb. 6, 2024

The environmental group Greenpeace has campaigned for transboundary haze laws saying they are important as a deterrent and can help determine which companies start fires.

From Reuters • Nov. 7, 2023

The canal is a fjord — not a human-made canal — that forms one of the four main basins of Puget Sound, part of the broader transboundary waters that constitute the Salish Sea.

From Seattle Times • Apr. 10, 2023

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